A reading of Charles Spurgeon's sermon, "The Immutability of God".
Full text can be found at the following sites:
http://www.ccel.org/ccel/spurgeon/sermons01.i.html
http://www.spurgeon.org/sermons/0001.htm
http://www.archive.org/download/FrederickLiddellImmutabilityofGodbyCharlesSpurgeon/ImmutabilityofGod.mp3
